gentle-ai-skill-creator

gentle-ai-skill-creator is a skill for Claude Code, Codex from Gentleman-Programming/gentle-pi. It costs 37 tokens per session (728 once invoked), scanned A, original, MIT.

A guide for creating reusable AI-agent skills, which are instruction files for recurring workflows. It defines how to structure the skill, write its activation description, and separate instructions from supporting material.

In plain words
What is it for?
Use it when creating a new SKILL.md, deciding whether a workflow deserves a skill, or organizing templates, examples, and references for future agent use.
Why use it?
It helps turn a repeated workflow into concise, reliable instructions without mixing runtime rules with general documentation.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it when creating a new SKILL.md, deciding whether a workflow deserves a skill, or organizing templates, examples, and references for future agent use.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gentleman-programming/gentle-pi/skill-creator
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Gentleman-Programming/gentle-pi --skill skill-creator
Clone the repo
git clone --depth 1 https://github.com/Gentleman-Programming/gentle-pi

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for gentle-ai-skill-creator

README.md
[![agentmods](https://agentmods.dev/badge/skills/gentleman-programming/gentle-pi/skill-creator/github.svg)](https://agentmods.dev/skills/gentleman-programming/gentle-pi/skill-creator)
Your own site
<a href="https://agentmods.dev/skills/gentleman-programming/gentle-pi/skill-creator"><img src="https://agentmods.dev/badge/skills/gentleman-programming/gentle-pi/skill-creator/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for gentle-ai-skill-creator

Your own site · 80×15
<a href="https://agentmods.dev/skills/gentleman-programming/gentle-pi/skill-creator"><img src="https://agentmods.dev/badge/skills/gentleman-programming/gentle-pi/skill-creator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 728 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Agent Snooping · line 86
    Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
    Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00037 $0.00728
Opus 5.5 $0.00015 $0.00291
Sonnet 5.5 $0.00007 $0.00146
Haiku 4.5 $0.00004 $0.00073

Measured 1mo ago against content hash 8d13eaf636f5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gentle-ai-skill-creator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/skill-creator/SKILL.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Activation Contract

Use this skill when creating or updating a reusable AI skill for Pi or another agent runtime.

Create a skill when:

  • a workflow or convention is reused across sessions;
  • generic agent behavior needs project-specific constraints;
  • a decision tree helps the agent choose safely;
  • examples, templates, or references would make future execution more reliable.

Do not create a skill for a one-off task, generic documentation, or rules that belong in code/tests.

Hard Rules

  • Follow docs/skill-style-guide.md as the normative source for skill structure and style.
  • A skill is an LLM runtime contract, not human-facing docs.
  • Keep SKILL.md concise: target 180–450 tokens, max 1000.
  • Use imperative instructions and concrete gates; avoid tutorials and background prose.
  • Frontmatter description must be one physical YAML-safe line and include trigger words first.
  • Do not add a Keywords section; put essential trigger words in description.
  • Put templates, schemas, and generated examples in assets/.
  • Put longer rationale or local doc links in references/.
  • After changing project skills, refresh the registry with /skill-registry:refresh when available.

Decision Gates

Need Action
Small reusable behavior Create skills/{skill-name}/SKILL.md only
Templates, schemas, fixtures Add skills/{skill-name}/assets/
Longer explanation or edge cases Add skills/{skill-name}/references/
Existing skill covers it Update the existing skill instead
Skill affects delegation discovery Ensure trigger words appear in description

Execution Steps

  1. Read docs/skill-style-guide.md before creating or updating skills.
  2. Inspect existing skills and confirm the new skill does not duplicate one.
  3. Choose a kebab-case skill name that matches the user-facing trigger.
  4. Create or update this structure:
skills/{skill-name}/
├── SKILL.md
├── assets/       # optional
└── references/   # optional

Read the full file on GitHub · 87 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 87 lines · 37 tokens per session scan A 8d13eaf636f5

Subscribe to this mod's changes

gentle-ai-skill-creator is a skill published in the GitHub repository Gentleman-Programming/gentle-pi (804 stars, last pushed 1mo ago), licensed MIT. It adds 37 tokens to every session and 728 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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